PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66338Bearing,sleeve

Briggs and Stratton Corp · NSN 3120-00-279-0538 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-279-0538 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-279-0538. Primary manufacturer part number: 66338.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.2825 INCHES MINIMUM AND 0.2895 INCHES MAXIMUM IN
  • Material: PLASTIC PHENOLIC OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 0.3645 INCHES MINIMUM AND 0.3845 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Briggs and Stratton Corp
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Phenolic Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-279-0538, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-279-0538
Primary Part Number66338
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Body Inside Diameter0.2825 INCHES MINIMUM AND 0.2895 INCHES MAXIMUM IN
MaterialPLASTIC PHENOLIC OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter0.3645 INCHES MINIMUM AND 0.3845 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6150-00-604-8719443489-00 INTERCHANGEABLE
Lead Assembly,electrical
Ametek Inc Div Aerospace and Defense
3040-01-279-0240 INTERCHANGEABLE
Shaft,shouldered
Cross-Reference Index
Part NumberManufacturer
66078 Briggs and Stratton Corp (USA)
JHP13-158 Hollingsworth John R Co (USA)
66338 PRIMARY Briggs and Stratton Corp (USA)
66388 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
6150-00-604-8719INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
443489-00
3040-01-279-0240INTERCHANGEABLE
SHAFT,SHOULDERED

Frequently Asked Questions

What is NSN 3120-00-279-0538?

NSN 3120-00-279-0538 is a Bearing,sleeve, manufactured by Briggs and Stratton Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-279-0538?

NSN 3120-00-279-0538 has 4 cross-referenced part numbers: 66078 (Briggs and Stratton Corp), JHP13-158 (Hollingsworth John R Co), 66338 (Briggs and Stratton Corp), 66388 (Briggs and Stratton Corp).

What NSN replaces 3120-00-279-0538?

There are 2 known substitutes for 3120-00-279-0538: 6150-00-604-8719, 3040-01-279-0240. Verify interchangeability with system specifications before substitution.

What are the specifications of 66338?

Key specifications for 66338: Body Inside Diameter: 0.2825 INCHES MINIMUM AND 0.2895 INCHES MAXIMUM IN; Material: PLASTIC PHENOLIC OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-279-0538 still in active supply?

NSN 3120-00-279-0538 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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